Improve tooling

Author: ahocevar

.github/workflows/test-and-build.yml

@@ -24,5 +24,8 @@ jobs:
       - name: Install dependencies
         run: npm ci
 
+      - name: Test
+        run: npm test
+
       - name: Build
         run: npm run build

.prettierrc.json

@@ -0,0 +1,7 @@
+{
+  "$schema": "https://json.schemastore.org/prettierrc",
+  "semi": true,
+  "singleQuote": true,
+  "arrowParens": "avoid"
+}
+

README.md

@@ -42,3 +42,11 @@ Instead of the `@result` event, the `usePlaceSearch()` composable can be used to
 </script>
 ```
 With this, the map view will automatically be centered on the result geometry.
+
+## Developing
+
+To develop this plugin, it is recommended to set up a test app according to the instructions below, and use [npm link](https://docs.npmjs.com/cli/v10/commands/npm-link). When that is setup properly, use
+
+    npm run watch
+
+to automatically update the linked package in the test application.

eslint.config.js

@@ -0,0 +1,19 @@
+import js from '@eslint/js';
+import pluginVue from 'eslint-plugin-vue';
+import skipFormatting from '@vue/eslint-config-prettier/skip-formatting';
+
+export default [
+  {
+    name: 'app/files-to-lint',
+    files: ['**/*.{js,mjs,jsx,vue}'],
+  },
+
+  {
+    name: 'app/files-to-ignore',
+    ignores: ['**/dist/**', '**/dist-ssr/**', '**/coverage/**'],
+  },
+
+  js.configs.recommended,
+  ...pluginVue.configs['flat/essential'],
+  skipFormatting,
+];